a. Discuss the relative importance. Is it very important, somewhat important or not important? b. How does the viscosity of a polymer affect the printability and the print quality? c. What is a typical range of viscosity for successful 3-D printing?

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Steady State Model

The steady-state model typically states that the entire universe is always enlarging, although it balances a fixed average density and matter that is being constantly generated to make new galaxies, star forms at a similar rate that the previous ones get indistinguishable due to the growing range and velocity of recession.